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Gold/Mining/Energy : Strictly: Drilling and oil-field services -- Ignore unavailable to you. Want to Upgrade?

To: Slava Chechik who wrote (18716)	4/11/1998 7:01:00 PM
From: Douglas V. Fant	Respond to of 95453

Slava, If noone answered you a "BOP" is a "blowout preventer", a stack of interconnected valves which sits on the wellhead and can be closed in various ways if pressure downhole gets stronger than the weight of the mud you sent downhole- and blows the mud back up the wellbore.... Sincerely, Doug F.

To: Slava Chechik who wrote (18716)	4/11/1998 8:33:00 PM
From: Gottfried	Read Replies (1) \| Respond to of 95453

Slava, BOP stands for "balance of power" and is a proprietary indicator owned by the Worden Brothers. Their charting software is called TC2000. BOP goes from +100 to -100 and is updated daily. A +100 (which is charted green) means "heavy buying". There are yellow shades in between. A -100 would show red. I don't pay much attention to BOP, because Worden refuses to tell us how it is calculated. If you want to see an example, I can e-mail one of ESV to you. GM